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Finding the Fourth Proportional to 167,446.08, 231,075.84 and 90,963.84

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Solution

The fourth proportional to 167,446.08, 231,075.84 and 90,963.84 is: 125,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,446.08 : 231,075.84 = 90,963.84 : x
  2. Step 2: Convert to fraction form
    167,446.08/231,075.84 = 90,963.84/x
  3. Step 3: Cross multiply
    167,446.08x = 231,075.84 × 90,963.84
  4. Step 4: Simplify right side
    167,446.08x = 21,019,545,737.63
  5. Step 5: Solve for x
    x = 21,019,545,737.63/167,446.08
  6. Step 6: Final answer
    x = 125,530.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.